我个人的keepalived-1.4.2实践：安装与测试（1）（★firecat推荐★）

! Configuration File for keepalived
global_defs {
   notification_email { #指定Keepalived在发生事情的时候，发送邮件通知，每行一个地址
     acassen@firewall.loc
     failover@firewall.loc
     sysadmin@firewall.loc
   }
   notification_email_from Alexandre.Cassen@firewall.loc #指定发件人
   smtp_server 192.168.200.1 #发送email的smtp地址
   smtp_connect_timeout 30 #超时时间
   router_id lb01 #运行Keepalived的机器标识号，主从机必须不同
   ##vrrp_skip_check_adv_addr #注释掉vrrp_strict相关是为了解决虚拟ip,ping不通的问题
   ##vrrp_strict
   ##vrrp_garp_interval 0
   ##vrrp_gna_interval 0
}
vrrp_instance VI_1 {
    state MASTER
    interface ens33 #物理网卡名称,主节点和备节点需要相同
    virtual_router_id 100 #唯一的id，主从机必须相同
    priority 150 #优先级，主节点大于备节点，建议至少相差50
    advert_int 1 #通信检查间隔时间1s
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        172.16.6.200 #虚拟ip,会绑定在ens33网卡
    }
}

#!/bin/sh 
# 
# keepalived   High Availability monitor built upon LVS and VRRP 
# 
# chkconfig:   - 86 14 
# description: Robust keepalive facility to the Linux Virtual Server project \ 
#              with multilayer TCP/IP stack checks. 
### BEGIN INIT INFO 
# Provides: keepalived 
# Required-Start: $local_fs $network $named $syslog 
# Required-Stop: $local_fs $network $named $syslog 
# Should-Start: smtpdaemon httpd 
# Should-Stop: smtpdaemon httpd 
# Default-Start:  
# Default-Stop: 0 1 2 3 4 5 6 
# Short-Description: High Availability monitor built upon LVS and VRRP 
# Description:       Robust keepalive facility to the Linux Virtual Server 
#                    project with multilayer TCP/IP stack checks. 
### END INIT INFO 
# Source function library. 
. /etc/rc.d/init.d/functions 
exec="/usr/local/sbin/keepalived"
prog="keepalived"
config="/etc/keepalived/keepalived.conf"
[ -e /usr/local/etc/sysconfig/$prog ] &&  /usr/local/etc/sysconfig/$prog 
lockfile=/var/lock/subsys/keepalived 
start() { 
    [ -x $exec ] || exit 5 
    [ -e $config ] || exit 6 
    echo -n $"Starting $prog: " 
    daemon $exec $KEEPALIVED_OPTIONS
    retval=$? 
    echo 
    [ $retval -eq 0 ] && touch $lockfile 
    return $retval 
} 
stop() { 
    echo -n $"Stopping $prog: " 
    killproc $prog 
    retval=$? 
    echo 
    [ $retval -eq 0 ] && rm -f $lockfile 
    return $retval 
} 
restart() { 
    stop 
    start 
} 
reload() { 
    echo -n $"Reloading $prog: " 
    killproc $prog -1 
    retval=$? 
    echo 
    return $retval 
} 
force_reload() { 
    restart 
} 
rh_status() { 
    status $prog 
} 
rh_status_q() { 
    rh_status &>/dev/null 
} 
case "$1" in 
    start) 
        rh_status_q && exit 0 
        $1 
        ;; 
    stop) 
        rh_status_q || exit 0 
        $1 
        ;; 
    restart) 
        $1 
        ;; 
    reload) 
        rh_status_q || exit 7 
        $1 
        ;; 
    force-reload) 
        force_reload 
        ;; 
    status) 
        rh_status 
        ;; 
    condrestart|try-restart) 
        rh_status_q || exit 0 
        restart 
        ;; 
    *) 
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}" 
        exit 2 
esac 
exit $?